IDEAL INDUSTRIES HE15, HE24 Servicing Cleaning the Condensate S Trap, Cleaning the Heat Exchanger

Page 35

SERVICING

49CLEANING THE CONDENSATE 'S' TRAP

1.Undo the plastic union nut on

the condensate ‘S’ trap outlet.

2. Remove the 2 screws.

3.Pull the trap down and forward

to remove.

4. Flush out any deposits with clean water.

50 CLEANING THE HEAT EXCHANGER

1.Remove ignition and flame detection electrodes. Refer to Frames 56 & 57.

2.Remove the 3 screws retaining the sump cover and remove.

3.Using a suitable tool as supplied in the standard British Gas Flue brush kit, clean between the heat exchanger fins from the top of the heat exchanger.

4.Access to the base of the heat exchanger is now possible. Brush clean any deposits from the base of the heat exchanger and remove any loose deposits from the sump.

5.Inspect the ignition and detection electrodes. Ensure that they are clean and in good condition - replace if necessary.

6.Check the condition of the combustion chamber insulation. Any cracked or damaged pieces must be replaced.

Note. Take care not to disturb the ionisation probes at the front and rear of the combustion chamber.

7.Check that the ignition and detection gaps are correct. Refer to Frames 56 & 57.

Sump cover

2

3

Ionisation probes

nm7401

Heat exchanger

SERVICING

51 REASSEMBLY

Reassemble the boiler in the following order.

1.Refit the condensate ‘S’ trap, ensuring that it is full of water.

2. Refit the sump cover plate.

3.Refit the electrodes (check dimensions Frames 56 & 57).

4.Refit the burner.

5.Refit the fan / venturi assembly.

6.Reconnect the fan electrical leads.

7.Refit the boiler sealing panel.

IMPORTANT.

Ensure the boiler sealing panel is correctly fitted and that a good seal is made.

8.Refit the boiler front and bottom panels.

9.Turn on the gas supply at the gas service cock.

10.Reconnect the electrical supply.

icos - Installation & Servicing

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Contents Installation and servicing Icos Installation & Servicing 17, Frame 16 Wall Mounting Template 15, Frame 11 Unpacking15, Frame 12 Packaging Removal Boiler Data Boiler Size HE 12, HE 15, HE 18, HE Key to symbolsGeneral Icos Side Flue only General Boiler Water ConnectionsRear Flue only Safe Handling SafetyGeneral Introduction OperationGAS Supply Flue InstallationGeneral Safe Handling of Substances Location of BoilerBoiler Control Interlocks TerminalAIR Supply Water Circulation SystemBalancing Schematic Pipework and System BalancingGeneral Open Vent System Requirements Pressure Gauge Safety ValveSealed System Requirements GeneralSealed System Requirements Icos boiler range have an Aluminium alloy heat exchanger Water TreatmentBoiler Assembly Exploded view InstallationPackaging Removal Installation UnpackingUnpack and check the contents Pack a Contents Pack ContentsFlue Kits Installation Front and Bottom Panel RemovalDetermining the Flue Length and Flue Packs Required Wall Mounting Template Flue Assembly Exploded ViewWall thicknesses of 210 to 435mm Installation Preparing the WallSetting the Flue Rear Setting the Flue SideGeneral arrangement Pack D Flue extension duct kit contentsFlue Extension Ducts Fitting the KITFront View Installation Condensate DrainCondensate Pipe Termination Configurations Condensate Pipe Termination Configurations Flues over 1 metre long Installation Mounting the BoilerConnecting the Flue to the Boiler Flue Outlet Roof Flue KIT Contents / OptionsFlat roof with structure Installation Flue Terminal PositionTerminal Position Minimum Dimension Installation Flue Arrangement Gaskets in the Boiler Flue Outletare Correctly Fitted Installation Assembling the Roof Flue KITElectrical Connections Installation GAS ConnectionSupplied in hardware pack Fixed to boiler Installation Internal WiringIncoming mains wiring detail Mains Connector SocketFunctional Flow Wiring Diagram Installation Pictorial Wiring DiagramRoom Thermostat Installation External Electrical ControlsCommissioning and Testing Electrical Installation GAS InstallationFascia Installation Initial LightingCentral Heating Installation General ChecksWater Circulation System Knob Setting Flow Temperature Handing OverBoiler Sealing PANEL/ Bottom Panel Removal Servicing Servicing ScheduleBoiler Front Panel Removal Burner Removal and Cleaning Servicing FAN and Venturi Assembly Removal and CleaningReassemble the boiler in the following order Servicing Cleaning the Condensate S TrapCleaning the Heat Exchanger ReassemblyGeneral Servicing Replacement of ComponentsWhen replacing ANY component Remove the boiler front and sealing Servicing FAN ReplacementBurner Replacement Refer to FrameFlame Detection Electrode Replacement Servicing Ignition Electrode ReplacementGAS Control Valve Replacement Servicing Spark Generator ReplacementBurner Injector Replacement To change the user control only Servicing Control BOX ReplacementMains Switch Replacement Flue Thermistor Replacement Servicing Overheat Thermostat ReplacementServicing Combustion Chamber Insulation Replacement Servicing Heat Exchanger Replacement Condensate S Trap Replacement Servicing Boiler Sealing Panel Seal ReplacementAlternating H E GO to Frame Alternating H9 Alternating L9 Fault Finding Fault Finding Chart Main MenuAlternating H n 70 L.....F Fault FindingFlame Error Board Error72 L.......A Overheat Error73 L....8..... FAN Error Flow Thermistor Error75 H......F Flame Detection Short Circuit Error76 H.....4...... Flue Thermistor Error Phase Reversal ErrorGC Part No Description Qty Product No Short List of PartsBoiler Casing Assembly Burner Assembly List of Parts Controls AssemblyIcos Installation & Servicing Installer Notification Guidelines Page Page Certified Product Technical TrainingUsers guide Operation Minimum ClearancesTo light the boiler Refer to Frame For longer periods Knob Setting Flow Temperature Minimum Maximum 180For short periods Points for the Boiler User Problem Solution
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HE12, HE15, HE18, HE24 specifications

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